diff --git a/Package.swift b/Package.swift
index f4d666920..811014a69 100644
--- a/Package.swift
+++ b/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version:5.2
+// swift-tools-version:5.3
 import PackageDescription
 
 let package = Package(
@@ -15,16 +15,12 @@ let package = Package(
     targets: [
         .target(
             name: "Nimble", 
-            dependencies: {
-                #if os(macOS)
-                return [
-                    "CwlPreconditionTesting",
-                    .product(name: "CwlPosixPreconditionTesting", package: "CwlPreconditionTesting")
-                ]
-                #else
-                return []
-                #endif
-            }()
+            dependencies: [
+                .product(name: "CwlPreconditionTesting", package: "CwlPreconditionTesting",
+                         condition: .when(platforms: [.macOS, .iOS])),
+                .product(name: "CwlPosixPreconditionTesting", package: "CwlPreconditionTesting",
+                         condition: .when(platforms: [.tvOS]))
+            ]
         ),
         .testTarget(
             name: "NimbleTests", 
diff --git a/Package@swift-5.2.swift b/Package@swift-5.2.swift
new file mode 100644
index 000000000..f4d666920
--- /dev/null
+++ b/Package@swift-5.2.swift
@@ -0,0 +1,36 @@
+// swift-tools-version:5.2
+import PackageDescription
+
+let package = Package(
+    name: "Nimble",
+    platforms: [
+      .macOS(.v10_10), .iOS(.v9), .tvOS(.v9)
+    ],
+    products: [
+        .library(name: "Nimble", targets: ["Nimble"]),
+    ],
+    dependencies: [
+        .package(url: "https://github.com/mattgallagher/CwlPreconditionTesting.git", .upToNextMajor(from: "2.0.0")),
+    ],
+    targets: [
+        .target(
+            name: "Nimble", 
+            dependencies: {
+                #if os(macOS)
+                return [
+                    "CwlPreconditionTesting",
+                    .product(name: "CwlPosixPreconditionTesting", package: "CwlPreconditionTesting")
+                ]
+                #else
+                return []
+                #endif
+            }()
+        ),
+        .testTarget(
+            name: "NimbleTests", 
+            dependencies: ["Nimble"], 
+            exclude: ["objc"]
+        ),
+    ],
+    swiftLanguageVersions: [.v5]
+)